.nav-header{
    overflow: auto;
    box-shadow: 0px 3px 10px 0 rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    height: 60px;
    width: 100%;
    z-index: 11;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #fff;
    .el-dropdown-link {
        cursor: pointer;
        color: #409eff;
    }
    .title {
        font-size: 18px;
        font-weight: bolder;
        padding-left: 6px;
        display: flex;
        align-items: center;
    }
}